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Definition of acute wound
Wound that tends to heal within 1 month of proper care
Definition of chronic wound
Wound that does not heal properly and shows no progress towards healing in 30 days
Local factors associated with delayed or poor wound healing
- Inadequate tissue perfusion and oxygenation
- Inadequate moisture
- Presence of foreign bodies, necrotic tissue, or infection
Systemic factors associated with delayed or poor wound healing
- Advanced age (over 6)
- Stress
- Inadequate nutrition
- Conditions such as diabetes and obesity
- Immunocompromising conditions
- Alcoholism, smoking, certain meds
3 phases of wound healing
- Inflammatory
- Proliferative
- Maturation (remodeling)
Most common bacteria that cause minor wound infections
- Staphylococcus aureus
- Pseudomonas aeruginosa
- Streptococcus species
What vitamins are often used in wound treatment and what is their effect?
Vitamins D and E for scar treatment
When should you reassess burns?
24-48 hours since changes can happen during this time
Where should you refer a patient who is excluded from self-treatment for a burn?
Emergency department
What should you do if the burn is worse after 24-48 hours of treatment?
Refer to HCP
How long can you self-treat burns or wounds?
7 days
What are the benefits of a moist environment for wound healing?
It stimulates cell proliferation and encourages epithelial cells to migrate to heal the wound
Where should you refer a patient who is excluded from self-treatment for a wound?
PCP or ER
Purpose of surgical tape
Hold gauze in place
Which wound dressings do not require surgical tape?
Newer adhesive gauze porducts
What is the preferred choice for wound irrigation?
Clean tap water
Definition of thermal burn
Results from skin contact with flames, scalding liquids, hot objects, or inhalation of smoke or hot vapors
Definition of electrical burn
Electricity flows through the body from an entry point to an exit point, and the heat of the electric current damages the skin
Definition of chemical burn
- Secondary to exposure to corrosive or reactive chemicals that cause tissue damage, ulceration, and sloughing
- Necrotic tissue may serve as a reservoir of the harmful chemical
What should you do with clothing exposed to chemicals?
Remove clothing if not adherent to the skin to prevent contamination
How long should you rinse affected area of a chemical burn?
At least 15 minutes ap water (do not delay person from going to ER)
What to do if someone gets a chemical burn in the eye
Contact poison control center immediately and pull back eyelid and rinse with tap water for at least 15-30 minutes (nasal side to outside corner)
Definition of sunburn
- Too much exposure to ultraviolet A and ultraviolet B light in natural sunlight and from use of tanning beds and lamps
Definition of UVA
95% of radiation that reaches surface of earth, penetrates skin deeper, responsible for tanning, photoaging, skin cancer, etc.
Definition of UVB
Responsible for erythema as well as tanning/photoaging (but less than UVA)
Definition of abrasion
Rubbing or friction that affects the epidermal layer of the skin, extending to the uppermost portion of the dermis
Definition of puncture
Piercing of the epidermis by a sharp-pointed object and may reach into the dermis or deeper tissues
Definition of laceration
Cutting through the various layers of the skin by a sharp-edged object
Description of inflammatory stage of wound healing
- Body's immediate response to injury
- Responsible for preparing the wound for subsequent tissue development
How long does the inflammatory stage of wound healing last?
About 3-4 days
Description of proliferative stage of wound healing
- Wound is filled with new connective tissue and covered with new epithelium
How long does the proliferative stages of wound healing last?
About 3 weeks
Description of maturation stage of wound healing
- Continual process of collagen synthesis and breakdown, with replacement of earlier-constituted, weak collagen by high-tensile-strength collagen
How long does maturation stage of wound healing last?
Peaks about 60 days after injury
Treatment goals of minor burns and wounds
- Relieve symptoms
- Promote healing by protecting the burn or wound from infection and further trauma
- Minimize scarring
Description of stage 1 wound
Nonblanchable erythema of intact skin with warmth and redness
Examples of stage 1 wounds
- Minor sunburn and superficial burns
Time for stage 1 wound to heal
3-7 days
Pain level of stage 1 wound
Pain
Self-treat or refer for stage 1 wound
Self-treat
Description of stage II wound
- Superficial lesions with partial-thickness skin loss involving the epidermis with or without extension into the dermis
- May have drainage from blister
Examples of stage II wound
- Severe sunburn, abrasion, superficial lacerations and punctures, superficial partial-thickness burns, and deep partial-thickness burns
Time to heal for superficial partial thickness stage II wounds
2-3 weeks with minimal or no scarring
Time to heal for deep partial-thickness stage II wounds
Up to 6 weeks with potential of scarring
Pain level of stage II wounds
Maybe more severe pain
Self-treat or refer for Stage II wounds
- Self-treat if 1-2% of body and superficial
- Refer to ED if deep-partial thickness burns
Description of stage III wound
- Full-thickness burns and deep lacerations and punctures
- May involve subcutaneous tissue
Examples of Stage III and Stage IV wounds
Animal or human bite, puncture wounds, severe burns
Time to heal for stage III and stage IV wounds
Lengthy recovery
Pain level of stage III wounds
- Painful (deep punctures/lacerations)
- Painless (from intense heat exposure)
Self-treat or refer for Stage III or Stage IV wounds
Refer for emergency treatment
Exclusion for burns: BSA of _____________ or more if superficial partial-thickness or deeper injury
2%
Exclusion for burns: Burns (other than sunburn) involving ______________
Eyes, ears, face, hands, feet, or perineum
Exclusion for burns: These types of burns
- Chemical burns (first aid then medical attention)
- Electrical or inhalation burns
Exclusion for burns: Age
Age > 65
Children (other than for stage 1 sunburn)
Exclusion for burns: Medical conditions
Diabetes or 5 or more chronic disease states, immunocompromised
Exclusion for wounds: Involvement of these body parts
Face, mucous membrane, or genitalia
Exclusion for wounds: Medical conditions such as
Immunocompromised patients and diabetic patients
Other exclusion criteria for wounds
- Wounds containing foreign matter after irrigation
- Chronic wound
- Wound secondary to an animal or human bite
- Signs of infection
- Deep, acute wound
Exclusion criteria for sunburns
- Large area of blistering
- Fever
- Extreme pain
- Headache or confusion
- Lightheadedness or vision change
- Severe swelling
- Signs of infection (area of redness or red streaks spreading or moving away from open blisters; open blisters that are draining pus)
BSA of front/back of head
4.5% each
BSA of front/back of each arm
4.5% each
BSA of front/back of leg
9% each
BSA of chest/back
18% each
BSA of genitalia
1%
Between which times should you limit sun exposure?
10 AM - 4 PM
Other methods to avoid/minimize sub exposure
- Avoid exposure to the sun and UVR from other sources
- Wear protective clothing including tightly woven fabrics to block sun
- Use beach umbrella to block sun
- Consider time in water as part of total time in sun (water and wet clothing allow significant transmission of UVR)
Use sunscreen with SPF of _______ or greater
15
Maximum SPF of sunscreen before there is no more protection
50
When should you apply the first dose of sunscreen>
15 minutes before exposure
How much sunscreen should you apply over exposed area?
1 ounce (avoid eyes)
How often should you reapply suncreen?
Depends on the product (usually every 40-80 minutes)
Other sunscreen recommendations
- Use a broad-spectrum sunscreen (zinc oxide and titanium dioxide)
- Use water-resistant sunscreen if you will be in the water
- Check expiration date
- Wear sunglasses and sunscreen if on snow or sand (reflect UVR)
Approach to treatment of burn with unknown cause
- Check med history for possible photosensitization
- Refer to dermatologist
Approach to treatment of burn that occurred in the past 20 minutes
Immerse affected area in cool, tap water for 10-30 minutes or apply other appropriate first aid measures
Approach to treatment of pain associated with burn
Aspirin, NSAID, or APAP
Approach to treatment of dry burn area
Skin protectant ointment/absorbent dressing
Approach to treatment of wet burn area
- Soak affected area in cool tap water 3-6 times a day for 15-30 minutes
- Apply skin protectant cream/absorbent dressing
How often is a tetanus dose required after completion of basic series?
Every 10 years
Approach to treatment of wound with foreign/particulate matter
Cleanse wound with saline irrigation and cover with dressing, may use antiseptic
Approach to treatment of wound with no sign of infection
Cleanse wound with saline irrigation, apply antibiotic, and cover with dressing
What are gauzes used in?
Minor burns and wounds
Counseling points for gauze
- Available in many sizes and forms and can be used with topical products
- Must be held in place with second agent, fibers can adhere to wound bed, should be changed several times a day to prevent wound from drying out
Common uses of antimicrobial wound dressing
Wounds that are colonized or infected
Description of antimicrobial wound dressings
Contain products like silver and iodine that decrease bacterial load within wound bed
Description of specialty wound dressing
- Help maintain appropriate amount of moisture
- Absorbing moisture appropriate during inflammatory phase
- Maintaining moisture appropriate during proliferative phase
Examples of adhesive wound dressings
- Bandaids and Bandaid brand advanced healing strips and Liquoderm
Common uses of adhesive wound dressings
Superficial wounds (minor abrasions and lacerations)
Examples of systemic analgesics
NSAIDs, acetaminophen
Are NSAIDs or APAP preferred?
NSAIDs for anti-inflammatory activity
Prostaglandin inhibitor can decrease erythema and edema
When are NSAIDs recommended after exposure to UVR?
Within first 24 hours and effect is lessened after this time
Examples of skin protectants
- Allantoin
- Cocoa butter
- Petrolatum
- Shark liver oil
- White petrolatum
Should skin protectants be used on wet or dry areas?
Dry areas
How do skin protectants benefit patients with minor skin injuries?
Make the damaged area less painful by protecting against mechanical irritation
Examples of topical anesthetics
- Benzocaine
- Dibucaine
- Lidocaine
- Pramoxine HCl
Benefits of topical anesthetics
- Helps with pain but use in moderation
Dosing of topical anesthetics/antihistamines
- May use 3-4 times daily
- Relief only lasts 15-45 minutes
- Overuse can lead to hypersensitivity reaction and systemic toxicity
Do not apply topical anesthetics to more than ____________ % of BSA
1-2%
Use ___________ concentrations of topical anesthetics when skin is intact
higher
Use ____________ concentrations of topical anesthetics when skin is not intact
lower